阀门使用寿命测试仪 Valve Life Test
使阀门
Make the valve
以上为机器翻译结果，长、整句建议使用 人工翻译 。
简单的设计使阀门非常可靠。
The simple design makes this valve very reliable.
youdao
弹簧能够使阀门保持在正常流量位置。
A spring keeps valve in the normal flow position.
例如，塔或池中的水不经意间进入夹套并使阀门关闭。
For example, tower or pond water was inadvertently allowed to remain in a jacket and was valved shut.
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